errors changedapi/errors
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3636 In rare cases, if your organization has a sharp increase in usage, you might see 429 errors because of acceleration limits on the API. To avoid hitting acceleration limits, increase your traffic gradually and maintain consistent usage patterns.
3737 </Warning>
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39The official SDK automatically retries transient failures (such as connection errors, rate limits, and 5xx server errors) with exponential backoff, twice by default, honoring the `retry-after` header when present. The SDK client accepts `max_retries` (typescript, java, php: `maxRetries`; csharp: `MaxRetries`; go: `option.WithMaxRetries`) to configure or disable this behavior.
39The official SDK automatically retries transient failures (such as connection errors, rate limits, and 5xx server errors) with exponential backoff, twice by default, honoring the `retry-after` header when present. The SDK client accepts `max_retries` (typescript, php: `maxRetries`; java: `.maxRetries()`; csharp: `MaxRetries`; go: `option.WithMaxRetries()`) to configure or disable this behavior.
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4141When receiving a [streaming](https://platform.claude.com/docs/en/build-with-claude/streaming) response over server-sent events (SSE), an error can occur after the API returns a 200 response. In that case, error handling doesn't follow these standard mechanisms. See [Error events](https://platform.claude.com/docs/en/build-with-claude/streaming#error-events) for the shape of mid-stream errors.
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8383On [Claude Platform on AWS](https://platform.claude.com/docs/en/build-with-claude/claude-platform-on-aws), responses include two request IDs: the AWS request ID (`x-amzn-requestid`, primary, indexed in CloudTrail) and the Anthropic request ID (`request-id`, secondary). Use the AWS request ID for CloudTrail lookups and the Anthropic request ID for Anthropic support tickets.
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85The Python and TypeScript SDKs expose the request ID as a `_request_id` property on top-level response objects. The C#, Go, Java, and PHP SDKs expose it through their raw-response accessors, and the Ruby SDK through [middleware](https://platform.claude.com/docs/en/cli-sdks-libraries/middleware). In every SDK except Ruby, use `with_raw_response` (typescript: `.withResponse()`; java: `.withRawResponse()`; csharp: `WithRawResponse`; go: `option.WithResponseInto`; php: `->raw`) to read any other [response header](https://platform.claude.com/docs/en/api/overview#response-headers), such as `anthropic-organization-id` and [`anthropic-workspace-id`](https://platform.claude.com/docs/en/manage-claude/workspaces#identify-the-workspace-behind-an-api-response). In Ruby, use the same middleware. On Claude Platform on AWS, use the raw-response accessor to read the AWS request ID (`x-amzn-requestid`) as well:
85The Python and TypeScript SDKs expose the request ID as a `_request_id` property on top-level response objects. The C#, Go, Java, and PHP SDKs expose it through their raw-response accessors, and the Ruby SDK through [middleware](https://platform.claude.com/docs/en/cli-sdks-libraries/middleware). In every SDK except Ruby, use `with_raw_response` (typescript: `.withResponse()`; java: `.withRawResponse()`; csharp: `WithRawResponse`; go: `option.WithResponseInto()`; php: `->raw`) to read any other [response header](https://platform.claude.com/docs/en/api/overview#response-headers), such as `anthropic-organization-id` and [`anthropic-workspace-id`](https://platform.claude.com/docs/en/manage-claude/workspaces#identify-the-workspace-behind-an-api-response). In Ruby, use the same middleware. On Claude Platform on AWS, use the raw-response accessor to read the AWS request ID (`x-amzn-requestid`) as well:
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8787<CodeGroup>
8888 ```bash cURL
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